20121090

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{241}}^1$

素因数の和:296

約数の個数: 96

約数和(自身を含む): 55617408

約数和(自身を除く): 35496318

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 23, 30, 33, 46, 55, 66, 69, 110, 115, 121, 138, 165, 230, 241, 242, 253, 330, 345, 363, 482, 506, 605, 690, 723, 726, 759, 1205, 1210, 1265, 1446, 1518, 1815, 2410, 2530, 2651, 2783, 3615, 3630, 3795, 5302, 5543, 5566, 7230, 7590, 7953, 8349, 11086, 13255, 13915, 15906, 16629, 16698, 26510, 27715, 27830, 29161, 33258, 39765, 41745, 55430, 58322, 60973, 79530, 83145, 83490, 87483, 121946, 145805, 166290, 174966, 182919, 291610, 304865, 365838, 437415, 609730, 670703, 874830, 914595, 1341406, 1829190, 2012109, 3353515, 4024218, 6707030, 10060545, 20121090]

約数ペア:

[(1, 20121090), (2, 10060545), (3, 6707030), (5, 4024218), (6, 3353515), (10, 2012109), (11, 1829190), (15, 1341406), (22, 914595), (23, 874830), (30, 670703), (33, 609730), (46, 437415), (55, 365838), (66, 304865), (69, 291610), (110, 182919), (115, 174966), (121, 166290), (138, 145805), (165, 121946), (230, 87483), (241, 83490), (242, 83145), (253, 79530), (330, 60973), (345, 58322), (363, 55430), (482, 41745), (506, 39765), (605, 33258), (690, 29161), (723, 27830), (726, 27715), (759, 26510), (1205, 16698), (1210, 16629), (1265, 15906), (1446, 13915), (1518, 13255), (1815, 11086), (2410, 8349), (2530, 7953), (2651, 7590), (2783, 7230), (3615, 5566), (3630, 5543), (3795, 5302)]